suwoodblender/blenderpython/suw_core/dimension_manager.py

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2025-07-18 17:09:39 +08:00
#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
SUW Core - Dimension Manager Module
拆分自: suw_impl.py (Line 5591-5750, 6249-6362)
用途: Blender尺寸标注管理文本标签轮廓创建
版本: 1.0.0
作者: SUWood Team
"""
from .geometry_utils import Point3d, Vector3d
from .memory_manager import memory_manager
from .data_manager import data_manager, get_data_manager
import math
import logging
from typing import Dict, Any, Optional, List
# 设置日志
logger = logging.getLogger(__name__)
# 检查Blender可用性
try:
import bpy
BLENDER_AVAILABLE = True
except ImportError:
BLENDER_AVAILABLE = False
# 导入依赖模块
# ==================== 尺寸标注管理器类 ====================
class DimensionManager:
"""尺寸标注管理器 - 负责所有尺寸标注相关操作"""
def __init__(self):
"""
初始化尺寸标注管理器 - 完全独立不依赖suw_impl
"""
# 使用全局数据管理器
self.data_manager = get_data_manager()
self.dimensions = {}
self.labels = None
self.door_labels = None
self.door_layer = None
self.unit_trans = {}
logger.info("DimensionManager 初始化完成")
# ==================== 核心命令方法 ====================
def c07(self, data: Dict[str, Any]):
"""add_dim - 添加尺寸标注 - 线程安全版本"""
try:
if not BLENDER_AVAILABLE:
return
uid = data.get("uid")
def create_dimensions():
try:
dims = data.get("dims", [])
dimensions = []
for dim_data in dims:
p1 = Point3d.parse(dim_data.get("p1", "(0,0,0)"))
p2 = Point3d.parse(dim_data.get("p2", "(0,0,0)"))
direction = Vector3d.parse(
dim_data.get("dir", "(0,0,1)"))
text = dim_data.get("text", "")
dimension = self.create_dimension(
p1, p2, direction, text)
if dimension:
dimensions.append(dimension)
# 存储尺寸标注
if uid not in self.dimensions:
self.dimensions[uid] = []
self.dimensions[uid].extend(dimensions)
for dimension in dimensions:
memory_manager.register_object(dimension)
return len(dimensions)
except Exception as e:
logger.error(f"创建尺寸标注失败: {e}")
return 0
# 在主线程中执行尺寸标注创建
count = create_dimensions()
if count > 0:
logger.info(f"✅ 成功创建尺寸标注: uid={uid}, count={count}")
else:
logger.error(f"❌ 尺寸标注创建失败: uid={uid}")
except Exception as e:
logger.error(f"❌ 添加尺寸标注失败: {e}")
def c0c(self, data: Dict[str, Any]):
"""delete_dimensions - 删除尺寸标注"""
try:
if not BLENDER_AVAILABLE:
return
def delete_dimensions():
try:
uid = data.get("uid")
if uid in self.dimensions:
dimensions_to_delete = self.dimensions[uid]
deleted_count = 0
for dimension in dimensions_to_delete:
if self.delete_object_safe(dimension):
deleted_count += 1
# 清理维度记录
del self.dimensions[uid]
return deleted_count
return 0
except Exception as e:
logger.error(f"删除尺寸标注失败: {e}")
return 0
count = delete_dimensions()
logger.info(f"删除尺寸标注完成: count={count}")
except Exception as e:
logger.error(f"删除尺寸标注失败: {e}")
def c12(self, data: Dict[str, Any]):
"""add_contour - 添加轮廓 - 线程安全版本"""
try:
if not BLENDER_AVAILABLE:
return
def create_contour():
try:
# 设置添加轮廓标志
self.data_manager.added_contour = True
surf = data.get("surf", {})
contour = self.create_contour_from_surf(surf)
if contour:
memory_manager.register_object(contour)
return True
return False
except Exception as e:
logger.error(f"创建轮廓失败: {e}")
return False
# 在主线程中执行轮廓创建
success = create_contour()
if success:
logger.info("✅ 轮廓创建成功")
else:
logger.error("❌ 轮廓创建失败")
except Exception as e:
logger.error(f"❌ 添加轮廓失败: {e}")
# ==================== 尺寸标注创建 ====================
def create_dimension(self, p1, p2, direction, text):
"""创建尺寸标注"""
try:
if not BLENDER_AVAILABLE:
return None
# 创建尺寸标注几何体
mesh = bpy.data.meshes.new("Dimension")
# 计算标注线的端点
start = (p1.x * 0.001, p1.y * 0.001, p1.z * 0.001)
end = (p2.x * 0.001, p2.y * 0.001, p2.z * 0.001)
# 计算标注偏移
offset_distance = 0.05 # 5cm偏移
offset = (
direction.x * offset_distance,
direction.y * offset_distance,
direction.z * offset_distance
)
# 创建标注线顶点
vertices = [
start,
end,
(start[0] + offset[0], start[1] +
offset[1], start[2] + offset[2]),
(end[0] + offset[0], end[1] + offset[1], end[2] + offset[2])
]
# 创建边
edges = [(0, 2), (1, 3), (2, 3)]
mesh.from_pydata(vertices, edges, [])
mesh.update()
# 创建对象
dim_obj = bpy.data.objects.new("Dimension", mesh)
bpy.context.scene.collection.objects.link(dim_obj)
# 创建文本标签
if text:
label_pos = (
(start[0] + end[0]) / 2 + offset[0],
(start[1] + end[1]) / 2 + offset[1],
(start[2] + end[2]) / 2 + offset[2]
)
text_obj = self.create_text_label(text, label_pos, direction)
if text_obj:
text_obj.parent = dim_obj
return dim_obj
except Exception as e:
logger.error(f"创建尺寸标注失败: {e}")
return None
def create_text_label(self, text, location, direction):
"""创建文本标签"""
try:
if not BLENDER_AVAILABLE:
return None
# 创建文本对象
font_curve = bpy.data.curves.new(type="FONT", name="TextLabel")
font_curve.body = text
font_obj = bpy.data.objects.new("TextLabel", font_curve)
# 设置位置和方向
font_obj.location = location
if isinstance(direction, (list, tuple)) and len(direction) >= 3:
# 简化的方向设置
font_obj.location = (
location[0] + direction.x * 0.1 if hasattr(
direction, 'x') else location[0] + direction[0] * 0.1,
location[1] + direction.y * 0.1 if hasattr(
direction, 'y') else location[1] + direction[1] * 0.1,
location[2] + direction.z * 0.1 if hasattr(
direction, 'z') else location[2] + direction[2] * 0.1
)
bpy.context.scene.collection.objects.link(font_obj)
memory_manager.register_object(font_obj)
return font_obj
except Exception as e:
logger.error(f"创建文本标签失败: {e}")
return None
# ==================== 轮廓创建 ====================
def create_contour_from_surf(self, surf):
"""从表面创建轮廓"""
try:
if not BLENDER_AVAILABLE:
return None
xaxis = Vector3d.parse(surf.get("vx", "(1,0,0)"))
zaxis = Vector3d.parse(surf.get("vz", "(0,0,1)"))
segs = surf.get("segs", [])
edges = []
for seg in segs:
if "c" in seg:
# 弧形段
c = Point3d.parse(seg["c"])
r = seg.get("r", 1.0) * 0.001
a1 = seg.get("a1", 0.0)
a2 = seg.get("a2", math.pi * 2)
n = seg.get("n", 12)
# 创建弧形边
arc_edges = self.create_arc_edges(
c, xaxis, zaxis, r, a1, a2, n)
edges.extend(arc_edges)
else:
# 直线段
s = Point3d.parse(seg.get("s", "(0,0,0)"))
e = Point3d.parse(seg.get("e", "(0,0,0)"))
edge = self.create_line_edge_simple(
(s.x * 0.001, s.y * 0.001, s.z * 0.001),
(e.x * 0.001, e.y * 0.001, e.z * 0.001))
if edge:
edges.append(edge)
# 尝试创建面
try:
if edges:
return self.create_face_from_edges(edges)
except Exception as e:
logger.warning(f"创建轮廓面失败: {e}")
return None
except Exception as e:
logger.error(f"创建轮廓失败: {e}")
return None
def create_arc_edges(self, center, xaxis, zaxis, radius, start_angle, end_angle, segments):
"""创建弧形边"""
try:
if not BLENDER_AVAILABLE:
return []
edges = []
angle_step = (end_angle - start_angle) / segments
for i in range(segments):
angle1 = start_angle + i * angle_step
angle2 = start_angle + (i + 1) * angle_step
# 计算点
x1 = center.x * 0.001 + radius * math.cos(angle1)
y1 = center.y * 0.001 + radius * math.sin(angle1)
z1 = center.z * 0.001
x2 = center.x * 0.001 + radius * math.cos(angle2)
y2 = center.y * 0.001 + radius * math.sin(angle2)
z2 = center.z * 0.001
edge = self.create_line_edge_simple(
(x1, y1, z1), (x2, y2, z2))
if edge:
edges.append(edge)
return edges
except Exception as e:
logger.error(f"创建弧形边失败: {e}")
return []
def create_line_edge_simple(self, start, end):
"""创建简单线边"""
try:
if not BLENDER_AVAILABLE:
return None
# 创建线段网格
mesh = bpy.data.meshes.new("Line_Edge")
vertices = [start, end]
edges = [(0, 1)]
mesh.from_pydata(vertices, edges, [])
mesh.update()
# 创建对象
obj = bpy.data.objects.new("Line_Edge_Obj", mesh)
bpy.context.scene.collection.objects.link(obj)
return obj
except Exception as e:
logger.error(f"创建线边失败: {e}")
return None
def create_face_from_edges(self, edges):
"""从边创建面"""
try:
if not BLENDER_AVAILABLE or not edges:
return None
# 收集所有顶点
all_vertices = []
for edge in edges:
if hasattr(edge, 'data') and hasattr(edge.data, 'vertices'):
for vertex in edge.data.vertices:
all_vertices.append(vertex.co)
if len(all_vertices) < 3:
return None
# 创建面网格
mesh = bpy.data.meshes.new("Contour_Face")
faces = [list(range(len(all_vertices)))]
mesh.from_pydata(all_vertices, [], faces)
mesh.update()
# 创建对象
obj = bpy.data.objects.new("Contour_Face_Obj", mesh)
bpy.context.scene.collection.objects.link(obj)
return obj
except Exception as e:
logger.error(f"从边创建面失败: {e}")
return None
# ==================== 标签管理 ====================
def add_part_labels(self, uid, parts):
"""添加零件标签"""
try:
for root, part in parts.items():
center = self.get_object_center(part)
pos = part.get("sw_pos", 1)
# 确定标签方向
if pos == 1:
vector = (0, -1, 0) # F
elif pos == 2:
vector = (0, 1, 0) # K
elif pos == 3:
vector = (-1, 0, 0) # L
elif pos == 4:
vector = (1, 0, 0) # R
elif pos == 5:
vector = (0, 0, -1) # B
else:
vector = (0, 0, 1) # T
# 应用单位变换
if uid in self.unit_trans:
vector = self.transform_vector(
vector, self.unit_trans[uid])
# 创建文本标签
ord_seq = part.get("sw_seq", 0)
text_obj = self.create_text_label(
str(ord_seq), center, vector)
if text_obj:
# 根据图层选择父对象
if self.is_in_door_layer(part):
text_obj.parent = self.door_labels
else:
text_obj.parent = self.labels
except Exception as e:
logger.error(f"添加零件标签失败: {e}")
def clear_labels(self, label_obj):
"""清理标签"""
try:
if not BLENDER_AVAILABLE or not label_obj:
return
# 删除所有子对象
children = label_obj.children[:]
for child in children:
self.delete_object_safe(child)
except Exception as e:
logger.error(f"清理标签失败: {e}")
# ==================== 工具方法 ====================
def get_object_center(self, obj):
"""获取对象中心"""
try:
if BLENDER_AVAILABLE and obj and hasattr(obj, 'location'):
return obj.location
return (0, 0, 0)
except Exception as e:
logger.error(f"获取对象中心失败: {e}")
return (0, 0, 0)
def is_in_door_layer(self, part):
"""检查是否在门图层"""
try:
if not part or not self.door_layer:
return False
return part in self.door_layer.objects
except Exception as e:
logger.error(f"检查门图层失败: {e}")
return False
def delete_object_safe(self, obj) -> bool:
"""安全删除对象"""
try:
if not BLENDER_AVAILABLE or not obj:
return False
# 检查对象是否仍然有效
if obj.name not in bpy.data.objects:
return True
# 从场景中移除
if obj.name in bpy.context.scene.collection.objects:
bpy.context.scene.collection.objects.unlink(obj)
# 删除对象数据
if hasattr(obj, 'data') and obj.data:
if obj.data.name in bpy.data.meshes:
bpy.data.meshes.remove(obj.data)
elif obj.data.name in bpy.data.curves:
bpy.data.curves.remove(obj.data)
# 删除对象
if obj.name in bpy.data.objects:
bpy.data.objects.remove(obj)
return True
except Exception as e:
logger.error(f"删除对象失败: {e}")
return False
def transform_vector(self, vector, transform):
"""变换向量"""
try:
if not BLENDER_AVAILABLE or not transform:
return vector
if isinstance(vector, (list, tuple)) and len(vector) >= 3:
import mathutils
vec = mathutils.Vector(vector)
transformed = transform @ vec
return (transformed.x, transformed.y, transformed.z)
return vector
except Exception as e:
logger.error(f"变换向量失败: {e}")
return vector
# ==================== 管理器统计 ====================
def get_dimension_stats(self) -> Dict[str, Any]:
"""获取尺寸标注管理器统计信息"""
try:
total_dimensions = sum(len(dims)
for dims in self.dimensions.values())
stats = {
"manager_type": "DimensionManager",
"total_dimensions": total_dimensions,
"units_with_dimensions": len(self.dimensions),
"has_labels": self.labels is not None,
"has_door_labels": self.door_labels is not None,
"blender_available": BLENDER_AVAILABLE
}
return stats
except Exception as e:
logger.error(f"获取尺寸标注统计失败: {e}")
return {"error": str(e)}
# ==================== 模块实例 ====================
# 全局实例将由SUWImpl初始化时设置
dimension_manager = None
def init_dimension_manager():
"""初始化尺寸标注管理器 - 不再需要suw_impl参数"""
global dimension_manager
dimension_manager = DimensionManager()
return dimension_manager